A:Dear Jayne,
Thank you for your email.
The lyfjackets are designed to fit snuggly therefore I would recommend purchasing the 210mm lyfjackets, linked below:
http://www.eden.co.uk/shop/adjustable-lyfjacket-height-210mm-10-pack-3980817.html
Thank you for using our Q&A forum,
Kind regards
Laura

A:Hi Helen,
Thank you for your question.
The following lyfjackets are the most appropriate size for the CH4 hymn book, based on the measurements we have:
http://www.eden.co.uk/shop/adjustable-lyfjacket-height-210mm-10-pack-3980817.html
http://www.eden.co.uk/shop/church_hymnary_4th_ed_full_music_hb_96795.html
Yours,
Nia